Hureaulite, Jahnsite Group, Phosphosiderite
Sapucaia mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
Parallel growth of hureaulite pink crystals, of unusual appearance, similar to fig. 4, tafel 109, band 4, of the Atlas der Kristallform, by Goldschmidt, Victor, but more flattened. This aggregate grew on small purple spheres of phosphosiderite, on the lower left, and widespread reddish-brown minute cristalls of a mineral belonging to the 'Jahnsite ...